condition mean min max 4 h after light 10.7074945 10.702621 10.712368 8 h after light 9.740078 9.076612 10.403544 12 h after light 11.293544 10.923698 11.66339 4 h after dark 10.703896499999999 10.361587 11.046206 8 h after dark 11.3934605 10.58392 12.203001 12 h after dark 9.422783 9.422783 9.422783